/* 头部样式 */
.header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    padding: 10px 0;
    background-color: #f5f5f5;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    border-bottom: 1px solid #b1b1b1;
}
.header-title{
    font-size: 24px;
    font-weight: bold;
    margin-right: -15px;
}
.iconfont{
    font-size: 28px;
    color:#007aff ;
}
.header-svg{
    display: flex;
    align-items: center;
    text-align: center;
}
.icon-xiangzuojiantou{
    padding: 0 10px;
}
.icon-gengduo-daohang{
    padding-right: 20px;
    font-size: 32px;
}
.icon-arrow-up-down-line{
    padding-right: 10px;
    font-size: 32px;
}
.header-text{
    font-size: 20px;
    color:#007aff ;
}
/* 页面样式 */
.list{
    margin-top: 52px;
}
.list>ul{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}
.list li{
    flex: 0 0 50%;
    box-sizing: border-box;
    position: relative;
}
.project-img{
    width: 50%;
}
.list-project{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}
.list li:nth-child(1n){
    border-bottom: 1px solid #b1b1b1;
    border-right: 1px solid #b1b1b1;
}
.list li:nth-child(2n){
    border-bottom: 1px solid #b1b1b1;
    border-right: none;
}
.biaoqian{
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 20px;
}